diff options
Diffstat (limited to 'kernel/arch/mips/include/asm/mach-lantiq/lantiq.h')
| -rw-r--r-- | kernel/arch/mips/include/asm/mach-lantiq/lantiq.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kernel/arch/mips/include/asm/mach-lantiq/lantiq.h b/kernel/arch/mips/include/asm/mach-lantiq/lantiq.h new file mode 100644 index 000000000..4e5ae6523 --- /dev/null +++ b/kernel/arch/mips/include/asm/mach-lantiq/lantiq.h @@ -0,0 +1,59 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + */ +#ifndef _LANTIQ_H__ +#define _LANTIQ_H__ + +#include <linux/irq.h> +#include <linux/device.h> +#include <linux/clk.h> + +/* generic reg access functions */ +#define ltq_r32(reg) __raw_readl(reg) +#define ltq_w32(val, reg) __raw_writel(val, reg) +#define ltq_w32_mask(clear, set, reg) \ + ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg) +#define ltq_r8(reg) __raw_readb(reg) +#define ltq_w8(val, reg) __raw_writeb(val, reg) + +/* register access macros for EBU and CGU */ +#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) +#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) +#define ltq_ebu_w32_mask(x, y, z) \ + ltq_w32_mask(x, y, ltq_ebu_membase + (z)) +extern __iomem void *ltq_ebu_membase; + +/* spinlock all ebu i/o */ +extern spinlock_t ebu_lock; + +/* some irq helpers */ +extern void ltq_disable_irq(struct irq_data *data); +extern void ltq_mask_and_ack_irq(struct irq_data *data); +extern void ltq_enable_irq(struct irq_data *data); +extern int ltq_eiu_get_irq(int exin); + +/* clock handling */ +extern int clk_activate(struct clk *clk); +extern void clk_deactivate(struct clk *clk); +extern struct clk *clk_get_cpu(void); +extern struct clk *clk_get_fpi(void); +extern struct clk *clk_get_io(void); +extern struct clk *clk_get_ppe(void); + +/* find out what bootsource we have */ +extern unsigned char ltq_boot_select(void); +/* find out what caused the last cpu reset */ +extern int ltq_reset_cause(void); +/* find out the soc type */ +extern int ltq_soc_type(void); + +#define IOPORT_RESOURCE_START 0x10000000 +#define IOPORT_RESOURCE_END 0xffffffff +#define IOMEM_RESOURCE_START 0x10000000 +#define IOMEM_RESOURCE_END 0xffffffff + +#endif |